tjrbb sjrb rjrbbf qjrbb pjrb
4sqb 3sqbbf 2sqbb 1sqb 0sqbbf
f2pbbf e2pbb d2pb c2pbbf b2pbb
qbpbb pbpb obpbbf nbpbb mbpb
1kob 0kobbf zkobb ykob xkobbf